Extend existing provider contracts and remove duplicate WebView CI

.github/workflows/webview-profiles.yml

@@ -1,54 +0,0 @@
-name: WebView host profiles
-on:
-  push:
-    paths: ['go.mod', 'go.sum', 'internal/webview/**', 'pkg/download/extension_webview*', 'ui/flutter/third_party/**', 'ui/flutter/lib/app/rpc/webview*', 'ui/flutter/tool/webview_profile_check.dart', '.github/workflows/webview-profiles.yml']
-  pull_request:
-    paths: ['go.mod', 'go.sum', 'internal/webview/**', 'pkg/download/extension_webview*', 'ui/flutter/third_party/**', 'ui/flutter/lib/app/rpc/webview*', 'ui/flutter/tool/webview_profile_check.dart', '.github/workflows/webview-profiles.yml']
-  workflow_dispatch:
-jobs:
-  android-plugin:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-java@v4
-        with:
-          distribution: temurin
-          java-version: '17'
-      - uses: subosito/flutter-action@v2
-        with:
-          flutter-version: '3.41.6'
-      - run: flutter pub get
-        working-directory: ui/flutter
-      - uses: gradle/actions/setup-gradle@v4
-        with:
-          gradle-version: '8.14'
-      - name: Compile Android native plugin
-        working-directory: ui/flutter/android
-        run: |
-          printf 'flutter.sdk=%s\nsdk.dir=%s\n' "$FLUTTER_ROOT" "$ANDROID_HOME" > local.properties
-          gradle :flutter_inappwebview_android:compileDebugJavaWithJavac
-  apple-plugin:
-    runs-on: macos-14
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
-        with:
-          go-version: '1.25.4'
-      - uses: subosito/flutter-action@v2
-        with:
-          flutter-version: '3.41.6'
-      - name: Build Go host
-        run: go build -buildmode=c-shared -o ui/flutter/macos/Frameworks/libgopeed.dylib ./bind/desktop
-      - name: Check native macOS profiles
-        working-directory: ui/flutter
-        run: |
-          flutter pub get
-          flutter build macos --debug -t tool/webview_profile_check.dart
-          build/macos/Build/Products/Debug/Gopeed.app/Contents/MacOS/Gopeed
-      - name: Compile iOS native plugin
-        working-directory: ui/flutter
-        run: |
-          flutter build ios --simulator --config-only
-          cd ios
-          pod install
-          xcodebuild -project Pods/Pods.xcodeproj -target flutter_inappwebview_ios -sdk iphonesimulator -configuration Debug CODE_SIGNING_ALLOWED=NO build